Home / 28,453,676.96-42,688,505.28-11,426,306.24

Finding the Fourth Proportional to 28,453,676.96, 42,688,505.28 and 11,426,306.24

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Solution

The fourth proportional to 28,453,676.96, 42,688,505.28 and 11,426,306.24 is: 17,142,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,676.96 : 42,688,505.28 = 11,426,306.24 : x
  2. Step 2: Convert to fraction form
    28,453,676.96/42,688,505.28 = 11,426,306.24/x
  3. Step 3: Cross multiply
    28,453,676.96x = 42,688,505.28 × 11,426,306.24
  4. Step 4: Simplify right side
    28,453,676.96x = 487,771,934,257,137
  5. Step 5: Solve for x
    x = 487,771,934,257,137/28,453,676.96
  6. Step 6: Final answer
    x = 17,142,667.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.